MX-IPH-17PMX Waterproof Case for iPhone 17 Pro Max
No coating described, and no PFAS statement from the brand.
The product information we reviewed describes plastic/elastomer, with no water-repellent coating named. Water resistance on products like this usually comes from the material and its seals rather than a surface treatment. The brand has published no PFAS statement for it.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Plastic/elastomer
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What MX-IPH-17PMX Waterproof Case Pro Max is made of, ingredients and materials
This case is constructed from plastic and elastomer materials (likely polycarbonate, TPE, or similar polymers) with sealed edges to achieve waterproofing. These base materials do not require hazardous coatings like Teflon-type coating or ceramic glazes to repel water; the waterproofing comes from physical seals, gaskets, and material hydrophobicity alone. No coating treatment is described in available product information, so there is no coating-degradation or heavy-metal-leaching pathway typical of cookware or textiles. The elastomer seals may contain plasticizers and UV stabilizers, but these remain contained within the closed structure and do not contact food or skin during normal use.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Elastomer degradation and seal failure
Elastomer gaskets (commonly TPE or silicone) degrade under UV, heat, and ozone exposure over 1-2 years, potentially compromising waterproof integrity. No accelerated-aging data is publicly available for this specific product model.
Microplastic shedding from abraded plastic
Repeated impacts and friction may cause the outer plastic shell to wear and shed microscopic plastic particles, particularly at sharp edges or corners. Impact on environment is minor unless the case is mechanically destroyed and disposed improperly.
Bacterial or mold growth in sealed seams
If water or moisture becomes trapped in gasket grooves or seams and is not dried, anaerobic bacterial or mold growth can occur over weeks. This is a maintenance issue, not a manufacturing hazard, and is preventable by regular inspection and air-drying.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Plasticizer leaching from elastomer
Elastomer seals may contain dibutyl phthalate (DBP) or other plasticizers to maintain flexibility, but these remain in the closed seal structure and do not contact the user or environment under normal conditions. No off-gassing or skin-contact exposure pathway is evident.
Heavy metals
No cadmium, lead, or antimony is documented in molded polycarbonate or TPE for phone cases; these metals are not industry-standard additives in this product class. Without third-party testing, heavy-metal content cannot be ruled out, but no incidents or warnings are on record.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
The brand is a mid-tier accessory brand with no established public record of chemical testing transparency, certifications (e.g., SGS, or third-party safety audits), or PFAS disclosure statements. The brand has not published sourcing or manufacturing safety documentation that is widely available. No known recalls or chemical contamination incidents are on record for this brand's phone cases. Silence on PFAS is common in the accessory category, where regulatory pressure remains lower than in food-contact or apparel sectors.
How it compares in its category
Waterproof phone cases are among the lower-risk personal-product categories because they are external protective shells that do not contact food, skin, or water for prolonged periods in most use cases. Cases made from rigid plastics and sealed elastomer (like this one) avoid the chemical complexity of fabric-lined or silicone-coated alternatives. Competitors in this segment (Spigen, OtterBox, Catalyst) also do not disclose PFAS content or coating chemistry, making this product typical for the market. The sealed-case design inherently avoids off-gassing and leaching concerns that plague open-cell foams or uncoated textiles.
If you buy it
Avoid prolonged exposure of the case (and any enclosed device) to direct sunlight or heat above 50°C (122°F), as elastomer seals can degrade and lose waterproof integrity over time. Inspect gaskets and seams every 6-12 months for cracks, discoloration, or hardening; replace the case if seals fail. Rinse with fresh water after saltwater or chlorinated-pool exposure to prevent salt and chemical buildup in seams. Do not submerge the phone in water deeper than the case's rated IP depth or for longer than the stated duration, as seals naturally weaken with age and thermal cycling.
What is not known about PFAS in this product?
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to MX-IPH-17PMX Waterproof Case for iPhone 17 Pro Max?
- Flax fiber and plant-based resin blend, compostable
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- Coating degradation and durability over time
2 hazards checked on this product, all on its full breakdown.
- plant-based bioplastic (flax and other plant fibers)
- A third party reports verifying it as PFAS-free
- Thermal degradation and warping
3 hazards checked on this product, all on its full breakdown.
- Plant-based bioplastic (compostable blend)
- A third party reports verifying it as PFAS-free
- Bioplastic degradation and microparticle shedding
More waterproof phone cases grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.